Frequencies for first 10,000 rows of minute variable in person dataset :

    Time of |
Accident-Mi |
       nute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        877        8.77        8.77
          1 |         88        0.88        9.65
          2 |         78        0.78       10.43
          3 |         61        0.61       11.04
          4 |         46        0.46       11.50
          5 |        430        4.30       15.80
          6 |         39        0.39       16.19
          7 |         59        0.59       16.78
          8 |         63        0.63       17.41
          9 |         29        0.29       17.70
         10 |        562        5.62       23.32
         11 |         40        0.40       23.72
         12 |         83        0.83       24.55
         13 |         72        0.72       25.27
         14 |         55        0.55       25.82
         15 |        714        7.14       32.96
         16 |         34        0.34       33.30
         17 |         63        0.63       33.93
         18 |         58        0.58       34.51
         19 |         27        0.27       34.78
         20 |        596        5.96       40.74
         21 |         39        0.39       41.13
         22 |         75        0.75       41.88
         23 |         54        0.54       42.42
         24 |         99        0.99       43.41
         25 |        436        4.36       47.77
         26 |         44        0.44       48.21
         27 |         64        0.64       48.85
         28 |         58        0.58       49.43
         29 |         57        0.57       50.00
         30 |        995        9.95       59.95
         31 |         51        0.51       60.46
         32 |         58        0.58       61.04
         33 |         61        0.61       61.65
         34 |         48        0.48       62.13
         35 |        326        3.26       65.39
         36 |         44        0.44       65.83
         37 |         64        0.64       66.47
         38 |         46        0.46       66.93
         39 |         58        0.58       67.51
         40 |        549        5.49       73.00
         41 |         31        0.31       73.31
         42 |         73        0.73       74.04
         43 |         78        0.78       74.82
         44 |         80        0.80       75.62
         45 |        756        7.56       83.18
         46 |         28        0.28       83.46
         47 |         32        0.32       83.78
         48 |         77        0.77       84.55
         49 |         31        0.31       84.86
         50 |        648        6.48       91.34
         51 |         70        0.70       92.04
         52 |         75        0.75       92.79
         53 |         55        0.55       93.34
         54 |         53        0.53       93.87
         55 |        325        3.25       97.12
         56 |         76        0.76       97.88
         57 |         68        0.68       98.56
         58 |         62        0.62       99.18
         59 |         55        0.55       99.73
         99 |         27        0.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016